Miller Electric Metro 250D Welding System User Manual


 
32 OM-402
Trouble Remedy
Engine cranks but does not start. Check fuel level (see Section 4.3).
Reset circuit breaker CB6 (see Section 7.7).
If equipped with glow plug (optional), reset circuit breaker CB9 (see Section 7.7).
Check Engine Control switch S1, and replace if necessary.
Check low oil pressure shutdown switch S2, and replace if necessary.
See engine manual.
Have Factory Authorized Service Agent check fuel solenoid, and fuel solenoid control module.
Engine starts, but stops when Engine
Control switch is released.
Check oil level. Engine stops if oil pressure gets too low (see Section 4.3).
High Or Low Engine Speed. Check engine speed, and adjust if necessary (see Section 7.6).
Engine does not return to idle speed. Have Factory Authorized Service Agent check throttle solenoid TS1, relay CR4, and idle control mod-
ule.
Engine idles but does not reach weld
speed.
Reset circuit breaker CB7 (see Section 7.7).
Move Idle Lock switch to Run/Idle position.
Have Factory Authorized Service Agent check throttle solenoid TS1, relay CR4, throttle solenoid
control module, and idle control module.
Engine uses oil during run-in period;
wetstacking occurs.
Dry engine (see Section 9 and engine manual).
Battery discharges between uses. Clean battery, terminals, and posts with baking soda and water solution; rinse with clear water.
Periodically recharge battery (approximately every 3 months).
Check engine charging system according to engine service manual.
Check Engine Control switch S1, and replace if necessary.
Replace battery.
Engine stopped and cannot be
restarted.
Check fuel level (see Section 4.3).
Reset circuit breaker CB6 (see Section 7.7).
Reset circuit breaker CB8 (see Section 7.7).
Check oil level. Engine stops if oil pressure gets too low (see Section 4.3).
See engine manual.